
import java.awt.*;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.util.ArrayList;
import java.util.List;

public class TankWars extends Frame{
    public static final int GAME_WIDTH=800;
    public static final int GAME_HEIGHT=600;

    Tank myTank = new Tank(50,50,true,this);
    Wall w1 = new Wall(250,250,250,10,this);
    Wall w2 = new Wall(400,250,250,150,this);
    Blood b = new Blood();
    List<Tank> tanks = new ArrayList<Tank>();
    List<Missile> missiles=new ArrayList<Missile>();
    List<Explode> explodes = new ArrayList<Explode>();
    Image offScreenImage=null;

    public void paint(Graphics g) {
        g.drawString("missiles count: " + missiles.size(),10,50);
        g.drawString("explodes count: " + explodes.size(), 10,70);
        g.drawString("tanks count: " + tanks.size(), 10, 90);
        g.drawString("blood: "+myTank.getLife(),10,100);
        for(int i = 0; i < explodes.size(); i++) {
            Explode e = explodes.get(i);
            e.draw(g);
        }
        w1.draw(g);
        w2.draw(g);
        myTank.draw(g);
        b.draw(g);
        myTank.eat(b);
        myTank.collidesWithWall(w1);
        myTank.collidesWithWall(w2);
        myTank.collidesWithTanks(tanks);
        for(int i = 0 ;i < tanks.size();i++){
            tanks.get(i).draw(g);
            tanks.get(i).collidesWithWall(w1);
            tanks.get(i).collidesWithWall(w2);
            tanks.get(i).collidesWithTanks(tanks);
        }
        for(int i=0;i<missiles.size();i++){
            Missile m=missiles.get(i);
            m.hitTanks(tanks);
            m.hitTank(myTank);
            m.hitWall(w1);
            m.hitWall(w2);
            m.draw(g);
        }
    }
    public void update(Graphics g){
        if(offScreenImage==null){
            offScreenImage=this.createImage(GAME_WIDTH,GAME_HEIGHT);
        }
        Graphics gOffScreen=offScreenImage.getGraphics();
        Color c = gOffScreen.getColor();
        gOffScreen.setColor(Color.GREEN);
        gOffScreen.fillRect(0, 0, GAME_WIDTH, GAME_HEIGHT);
        gOffScreen.setColor(c);
        print(gOffScreen);
        g.drawImage(offScreenImage, 0, 0, null);
    }
    public void launchFrame(){
        for(int i = 0; i < 10; i++) {
            tanks.add(new Tank(50 + 40 * (i + 1), 50, false, this));
            tanks.get(i).collidesWithWall(w1);
            tanks.get(i).collidesWithWall(w2);
        }
        this.setLocation( 300,100) ;
        this.setSize(GAME_WIDTH,GAME_HEIGHT) ;
        this.setTitle("TankWar" );
        addWindowListener(new WindowAdapter() {
            public void windowClosing(WindowEvent e){
                System.exit(0);
            }
        });
        this.setResizable(false);
        this.setBackground(Color.GREEN);
        this.addKeyListener(new KeyMonitor());

        setVisible(true);
        new Thread(new PaintThread()).start();
    }
    public static void main(String[] args) {
        TankWars tw=new TankWars() ;
        tw.launchFrame();
    }
    private class PaintThread implements Runnable{

        @Override
        public void run() {
            while (true){
                repaint();
                try {
                    Thread.sleep(50);
                }catch (InterruptedException e){
                    e.printStackTrace();
                }
            }
        }
    }
    private class KeyMonitor extends KeyAdapter {
        public void keyPressed(KeyEvent e){
            myTank.KyePressed(e);
        }
        public void keyReleased(KeyEvent e){
            myTank.kyeReleased(e);
        }
    }
}